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Thread: 4kc Engine Modifications

  1. #1
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    Default 4kc Engine Modifications


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    Hey guys wanna get some power out of a 4k.

    What will a rebuild cost me in parts roughly?

    Also what type of mods to get a bit of power out of one?

    Carbs?

    Cheers fellas

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    Veteran Jonny Rochester's Avatar
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    Basically, any carby you find will be bigger than the stock 4K one and an upgrade. As a very cheap starting point, a Corona 18R carby fits.

    3K motors used to be used in Formula race cars, so look into that. Twin sidedrafts.

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    Senior Member Sprinter86's Avatar
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    i beleive by putting a 3k head on can be an improvment. i think it bumps up the compression.

    but what i would look for is an old liteace or townace(i think) these sometimes have a 5k engine.

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    yea if your going to rebuild and modify a k series engine then either go 5k or 7k, depends on your budget mainly

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    5k, shave head, new cam, carby(s), extractors and exhaust. Should be enough for a fun K series. Though, the cost of doing that and getting it tuned, would nearly be easier to just go 4age.

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    cheers fellas

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    is it possible to put a Toyota corona engine 18rc 2litre engine in a ke still using stock box mounts etc?

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    Not a good idea. Try a 3T.

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    I have a mild cam, 5K carb, shaved head, stiffer valve springs and possible light porting on my 4K.

    Goes decent for a little 1.3L, I quite like it.

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    Quote Originally Posted by AE86R View Post
    is it possible to put a Toyota corona engine 18rc 2litre engine in a ke still using stock box mounts etc?
    I haven't seen this done.

    Quote Originally Posted by Jonny Rochester View Post
    Not a good idea. Try a 3T.
    This i have seen done. From memory, it was TA22 mount brackets, hybrid TA22/KE70 rubber mounts on a KE crossmember. Not too hard.

    EDIT -

    AE86R - if you are just suggesting the 18rc from a corona because you have one available - if it's from an RT132 / RT133 - I want the mounts.
    You can have any brew you want... as long as it's a Datsun / Corolla / What is that?

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